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Finding the Third Proportional to 681,130 and 1,480,160

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Solution

The third proportional to 681,130 and 1,480,160 is: 3,216,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,130 : 1,480,160 = 1,480,160 : x
  2. Step 2: Convert to fraction form
    681,130/1,480,160 = 1,480,160/x
  3. Step 3: Cross multiply
    681,130x = 1,480,160 × 1,480,160
  4. Step 4: Simplify right side
    681,130x = 2,190,873,625,600
  5. Step 5: Solve for x
    x = 2,190,873,625,600/681,130
  6. Step 6: Final answer
    x = 3,216,527.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.